Philips LX 3700D Скачать руководство пользователя страница 25

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5-4

ELECTRICAL PARTSLIST - CONTROL BOARD

- MISCELLANEOUS -

CN211B 9965 000 18027

CONNECTOR 8P

CN212B 9965 000 18028

CONNECTOR 5P

CN213

9965 000 18029

CONNECTOR 3P

CN217

9965 000 18030

CONNECTOR 2P

DP201

9965 000 18031

VFD 100X25MM

JK3001

9965 000 18032

D3.5 9P NICKEL

LD201

9965 000 17400

LED

RB211B 9965 000 18033

8P 140MM 2468#26 RAINBOW

RB212B 9965 000 18033

8P 140MM 2468#26 RAINBOW

RB213

9965 000 18034

CON/WIRE 3P 180MM

RB214

9965 000 18035

8P 160MM 2468#26

RB216

9965 000 18036

5P 150MM

RB217

9965 000 18037

2P 280MM

RB3001

9965 000 18038

4P 100MM

SN201

9965 000 10897

IR SENSOR RPM6938-V4

TA201

4822 276 13648

SWITCH

TA202

4822 276 13648

SWITCH

TA203

4822 276 13648

SWITCH

TA204

4822 276 13648

SWITCH

TA205

4822 276 13648

SWITCH

Note: Only these parts mentioned in the list are normal

TA206

4822 276 13648

SWITCH

service parts.

TA207

4822 276 13648

SWITCH

TA208

4822 276 13648

SWITCH

TA209

4822 276 13648

SWITCH

VR201

9965 000 18039

ENCODER L15XA7

- COILS & FILTERS -

XL201

9965 000 17405

CRYSTAL 4.00000MHZ

- DIODES -

D201

4822 130 30621

1N4148

D202

4822 130 30621

1N4148

D204

4822 130 30621

1N4148

ZD201

4822 130 34233

BZX79-B5V1

ZD202

4822 130 34233

BZX79-B5V1

ZD203

4822 130 34233

BZX79-B5V1

ZD205

9965 000 17373

23.6-24.7V 0.5W

- IC & TRANSISTORS -

IC201

9965 000 17447

IC S-CPU EM78P156ELP

IC251

9965 000 12550

PT6311(PTC)

Q201

4822 130 63876

2SA733R

Q202

4822 130 63876

2SA733R

Q203

4822 130 63876

2SA733R

Q204

4822 130 41198

2SC945P

Содержание LX 3700D

Страница 1: ...Receiver Version 1 1 TABLE OF CONTENTS Page Location of PC Boards 1 2 Versions Variation Package 1 2 Specifications 1 3 Measurement Setup 1 4 Service Aids 1 5 ESD Safety Instruction 1 6 Functional Overview 1 7 to1 8 Preparations Connections 1 9 to1 12 Connections Troubleshooting 1 13 Wireless System Information 1 14 Setting Procedure Repair Instructions 2 Disassembly Instructions Service positions...

Страница 2: ...d RDS function Progressive scan Scart board RGB board x x x x x x x x x x x Power PCB 110V 127V 220V 240V Power PCB 120V x Power PCB 220V 240V 21S 22S 25S 37 LX3700D x x x 21R LX3750W x x x 22S LX3750W x x x 25S AC Voltage Selector x x Line Cord Detachable Line Cord Fixed x x x x x x x Region Code 4 2 2 2 2 3 1 ...

Страница 3: ... Image Rejection Ratio FM 25 dB AM MW 28dB IF Rejection Ratio FM 60 dB AM MW 24dB Signal to NoiseRatio FM55dB AM MW 35dB AM Suppression Ratio FM 30 dB HarmonicDistortion FMMono3 FMStereo3 AM MW 5 Frequency Response FM 180 Hz 10kHz 6 dB StereoSeparation FM26dB 1kHz Stereothreshold FM23 5dB 1 3 MISCELLANEOUS GENERAL SECTION PowerSupplyRating 110 127V 220 240V 50 60Hz 21R 21S 220 240V 50Hz 22S 25S 11...

Страница 4: ... TME TER AUTO DISTORTION METER OSCIL LOSCOPE LOAD 4 OHM AM FM STEREO SIGNAL GENERATOR SIGNAL GENERATORAC DUT INPUT OUTPUT INPUT OUTPUT R L AC MILLIVOL TME TER AUTO DISTORTION METER OSCIL LOSCOPE LOAD 4 OHM DOLBY TEST METER SIGNAL GENERATORAC DUT INPUT OUTPUT INPUT OUTPUT AUX SECTION AC MILLIVOL TME TER AUTO DISTORTION METER OSCIL LOSCOPE LOAD 4 OHM DUT INPUT DVD TEST DISC R L C SRSLSW R L C SRSLSW...

Страница 5: ...t Disc 4822 395 10216 ESD Equipment Anti static table mat large 1200x650x1 25mm 4822 466 10953 anti static table mat small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connectorbox 1MΩ 4822 395 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat to conn box 4822 320 11306 Earth cable to Connect product to mat or box 4822...

Страница 6: ...n osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale Pour votre sécurité ces documents doivent être utilisés par des spécia listes ...

Страница 7: ...he MW loop antenna or FM antenna 2 AUDIO IN AUX connect to the analog audio outputs of a TV or VCR 3 AUDIO OUT connect to the analog audio inputs of an external recording device or amplifier 4 WOOFER LINE OUT connect to an active subwoofer Optional 5 DIGITAL OUT OPTICAL connect to an audio equipment with digital optical audio input 6 DIGITAL OUT COAXIAL connect to an audio equipment with digital c...

Страница 8: ...radio frequency 6 É Å to star t or interrupt disc playback 7 Ç to stop playing the disc 8 SURROUND to select multichannel surround Dolby Digital DTS VSS Dolby Pro Logic or Dolby Pro Logic II or stereo sound effect 9 SOUND to select the various sound effect CONCERT DRAMA ACTION SCI FI CLASSIC JAZZ ROCK or DIGITAL 0 REPEAT to repeat chapter title track album or disc REPEAT A B to repeat a specific s...

Страница 9: ...m or change to your preferred settings System Setup DVD The system setup is carried out via the TV it enables you to customize the DVD system to suit your particular requirement If the preferred options selected are not available on a disc then the disc s own preference will be used IMPORTANT To access the System Setup menu playback must be stopped The default setting is underlined General operati...

Страница 10: ...hrough the left center right and rear surround speakers The default setting is OFF Preparations Setting the language Audio Subtitle Disc Menu This is to select the audio language subtitle language and the language used on TV screen menus or DVD menus which will always be used for every disc to be played back The default setting is English If the language selected is not available on the disc the o...

Страница 11: ...ot position the front speakers too close to your TV Allow adequate ventilation around the DVD system General Information 10 cm 4 inches 10 cm 4 inches 10 cm 4 inches DVD Home Cinema System PHILIPS Connections Step 2 Connecting speakers and subwoofer Connect the supplied speaker system using the supplied speaker cables by matching the colours of the jacks and speaker plugs Fully insert the plugs of...

Страница 12: ... SCART IN SCART IN AUDIO IN AUX AUDIO OUT WOOFER LINE OUT AM ANTENNA SPEAKERS FR SR C FL OUT OPTICAL COAXIAL DIGITAL IN FM 75 FM Antenna AM Antenna Fix the claw to the slot 1 2 Step 6 Connecting the power cord After everything is connected properly plug in the AC power cord to the power outlet Never make or change any connections with the power switched on Step 7 Connecting a VCR or Cable Satellit...

Страница 13: ...orrectly Replace the speaker cables Check the speaker settings The system is in pause slow motion or fast forward reverse mode press PLAY to resume normal play mode No sound is heard from the Use the CENTER or REAR to adjust the volume level center or rear speakers Check that the center or rear surround speakers is connected correctly Use surround mode The DVD player does not Insert a readable dis...

Страница 14: ...WT WIRELESS TRANSMITTER and AD905WA WIRELESS RECEIVER CHANNEL SELECTOR switch so that both units are using the same channel 9 On your LX3750W DVD system play an audio source and activate the surround sound mode option Adjust the volume to reproduce surround sound in the rear speakers 10 Extend the antenna vertically on both the AD905WT WIRELESS TRANSMITTER and AD905WA WIRELESS RECEIVER to improve ...

Страница 15: ...e counter reach 25 you will not be able to further change the code until you reset the timer by the Region Code timer reset procedure 3 Region code change timer reset Press below key to reset the timer a In DISC source stop mode and no disc in tray b Press R C Play 159 PLAY to reset timer to 25 4 Tuner area change a Press the OPEN CLOSE button to openthe set s door b Press 1 5 9 button by using R ...

Страница 16: ...tandby RB906 TO CN906 and CN213 CN905 IC401 Only IC501 CN502 IC401 IC502 CN502 IC401 IC503 CN503 JK304 Check Q9001 Q9002 Q9003 Q9004 IC9004 IC3001 Confirm Ic Voltage and SW IC401 Only C RS Only LS SW Check IC401 pin 7 8 9 I S Signal Check pin 10 11 20 CLK Signal confirm correct Check pin 18 pin 19 I C Signal cofirm correct Check IC401 and IC1003 Circuit 1 1 2 3 3 1 2 3 2 CN1003 CN951 CN951 ...

Страница 17: ...CE DI DO CLK IC1003 TO IC152 IC101 IC152 Q9034 IC3001 RB3001 IC1009 TO IC305 IC306 IC4001 Q3001 Q3002 IC1003 JK301 JK302 A TO IC1003 IC4001 IC4001 IC305 IC306 IC307 TO IC304 Q303 Q304 IC307 Circuit IC301 CN3001 pin is OK IC1009 TO IC301 A and IC302 CN3001 1 2 OK ...

Страница 18: ...top edge of Front Panel assembly to free some catches before sliding it out towards the front 3 screws on the inside 1 screw F on the inside as indicated in Figure 5 Figure 5 Figure 2 3 1 Figure 1 24mm 2mm 1 Loosen 4 screws A to remove the DVD module as shown in figure 5 Figure 4 Note Do not lost the limited parts of the Servo board Figure 9 Dismantling of the Servo Board Dismantling of the Main B...

Страница 19: ...ion B 3 2 Dismantling of the Power Board 1 Loosen 6 screws H at the top of the Power Board as shown in figure 13 Figure 13 J Scart Jack use for LX3700 22S 25S RGB Jack use for LX3700 21S LX3750 37S Figure11 Figure 12 I Service position A ...

Страница 20: ...4 1 BLOCK DIAGRAM 4 1 ...

Страница 21: ...4 2 WIRING DIAGRAM 4 2 ...

Страница 22: ... 8 STACK 1 STACK 2 EPROM ROM 512 X 12 TO 2048 X12 INSTRUCTION REGISTER INSTRUCTION DECODER WATCHDOG TI MER CONFIGURATION WORD OSCILLATO R TI M ING CONTROL GENERAL PURPOSE REG ISTER FI L E SRAM 24 25 72 or 73 B ytes WDT TMR 0 PRESCALER OPTION REG OPTION SLEEP CODE PROTECT OSC SELECT DIRECT ADDRESS TMR0 FROM W FROM W TRIS 5 TRIS 6 TRIS 7 FSR TRIS A PORTA TRIS B PORTC TRISC PORTB FROM W T0CKI PIN 9 1...

Страница 23: ...3 C2 R204 D2 R205 D2 R206 D1 R207 C3 R208 C3 R209 D3 R210 D1 R211 A1 R212 A1 R213 A1 R214 C2 R215 C2 R216 D1 R217 D1 R218 C3 R219 C3 R220 B2 R221 B2 R222 B2 R224 A1 R225 A1 R226 A1 R227 D2 R229 B2 R230 A4 R231 B4 R232 C4 R233 C4 R235 A1 R236 A1 R237 A1 R238 D1 R239 D3 R240 A1 R241 A2 R242 D4 R243 D2 R244 D4 R248 A2 RB211 B C1 RB213 D4 RB214 B4 RB216 C4 RB217 C2 R218A D4 R218B D4 RB212 B C3 RB3001 ...

Страница 24: ...207 C4 TA208 C4 TA209 C2 TA210 C2 VR201 B1 XL201 B3 ZD201 B4 ZD202 B2 ZD203 A2 ZD205 A6 C119 B6 C120 B6 C121 A5 C122 A5 C201 C2 C202 B4 C203 B4 C204 B2 C205 B2 C206 A1 C207 A1 C208 A4 C209 A4 C210 A4 C211 B5 C212 B4 C214 C1 C215 C1 C216 C3 C217 A2 C218 C2 CN211 B B4 CN212 B B2 CN217 A2 D201 A3 D202 A2 D204 C2 DP201 B4 IC201 C3 IC202 A4 JK3001 B6 JK5001 D2 JMP1 A3 JMP2 A3 JMP3 A3 JMP4 A3 JMP5 A3 JM...

Страница 25: ... SWITCH TA202 4822 276 13648 SWITCH TA203 4822 276 13648 SWITCH TA204 4822 276 13648 SWITCH TA205 4822 276 13648 SWITCH Note Only these parts mentioned in the list are normal TA206 4822 276 13648 SWITCH service parts TA207 4822 276 13648 SWITCH TA208 4822 276 13648 SWITCH TA209 4822 276 13648 SWITCH VR201 9965 000 18039 ENCODER L15XA7 COILS FILTERS XL201 9965 000 17405 CRYSTAL 4 00000MHZ DIODES D2...

Страница 26: ...5 5 ...

Страница 27: ...S RGB Circuit Diagram For 21S 21R 37 only 6 2 RGB Board Layout For 21S 21R 37 only 6 2 Scart Circuit Diagram For 22S 25S only 6 3 Scart Board Layout For 22S 25S only 6 3 Electrical Parts List RGB SCART 6 4 RGB SCART BOARD ...

Страница 28: ...B181 B4 ZD181 B4 ZD182 B4 ZD183 B3 ZD184 B1 ZD185 B2 C181 B2 C182 B2 C183 B1 C185 B2 C186 B3 C187 B4 ZD186 B2 1 2 1 2 A B A B FB181 A1 FB182 A2 FB183 A2 JK182 B2 JK183 B2 JK184 B1 RB181 A1 ZD181 B1 ZD182 B1 ZD183 B1 ZD184 A2 ZD185 B2 C181 B2 C182 B2 C183 B2 C185 B1 C186 B1 C187 B1 ZD186 A2 PCB LAYOUT RGB BOARD ...

Страница 29: ...47 A4 JK103 B4 JK401 A4 JK2001 B1 JMP1 A1 JMP2 A2 R1001 A2 R1002 A2 R1003 A1 RB1002 A1 ZD1101 A2 ZD1103 A1 ZD1104 A1 ZD1105 A4 ZD1106 A4 C1001 A3 C1002 A3 C1003 A2 C1004 A2 C1005 A2 C1006 A2 C1007 B1 C1008 B2 C1009 B2 CN101A A4 CN101B A4 FB137 A3 FB138 A3 FB139 A2 FB140 A2 FB141 A2 FB142 A2 FB144 A2 FB145 B2 FB146 B2 FB147 B2 JK103 B1 JK401 B1 JK2001 A1 R1001 A2 R1002 A2 R1003 B3 RB1002 A4 ZD1101 ...

Страница 30: ...137 9965 000 12470 BEAD FERITE 100R at 100MHz FB138 9965 000 12470 BEAD FERITE 100R at 100MHz FB139 9965 000 12470 BEAD FERITE 100R at 100MHz FB140 9965 000 12470 BEAD FERITE 100R at 100MHz FB141 9965 000 12470 BEAD FERITE 100R at 100MHz FB142 9965 000 12470 BEAD FERITE 100R at 100MHz FB144 9965 000 12470 BEAD FERITE 100R at 100MHz FB145 9965 000 12470 BEAD FERITE 100R at 100MHz FB146 9965 000 124...

Страница 31: ...7 1 It is not recommended for component repair on this Module but to replace the major assembly when it becomes defective Therefore limited service parts list are published in this chapter Explorer View DVD Loader ...

Страница 32: ...ER BOTTOM S01 50010000010 SCREW MC S02 50020000005 SCREW TAP S03 50020000010 SCREW TAP S04 50040000007 SCREW TT S05 50010000001 SCREW MC S06 50040000009 SCREW TT S07 50020000003 SCREW TAP S08 50020000009 SCREW TAP S09 50020000011 SCREW TAP E01 30114000021 MOTOR GEAR E02 30601000102 PCB BARE E03 37012000003 SWITCH SENSTI E04 62590000200 BELT PULLEY E05 30114000012 MOTOR STEP E06 30114000014 MOTOR S...

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Страница 42: ...2 EF002 A2 FB9001 B2 FB9003 B3 IC151 A1 IC152 A1 IC1001 B4 IC1004 FC3 IC1005 B4 IC1006 B4 IC1010 C4 IC1011 C4 IC1012 B3 IC1013 C3 IC1015 C3 IC9001 B2 IC9002 B3 IC9003 A3 IC9004 A3 JK001 A2 JK002 A2 JK301 C1 JK302 A C1 JK302 B C1 L102 B2 L103 B1 L104 B1 L151 A1 L153 A1 L154 A1 L1004 C3 L9031 A2 L9032 A2 Q001 A1 Q101 A2 Q102 A1 Q103 B1 Q104 B1 Q105 B1 Q3002 C1 Q9001 A3 Q9002 A3 Q9003 A3 Q9004 A3 Q90...

Страница 43: ... A5 IC1004 C C7 IC1004 D C7 IC1007 C7 IC1008 B7 L1003 C7 L1005 A8 L1006 A8 L1007 B8 L1008 A8 Q1001 A6 Q1002 A5 Q1003 A7 Q1004 A7 R1001 C7 R1002 C7 R1006 C7 R1007 C7 R1008 A7 R1013 A5 R1015 A6 R1016 A7 R1017 A7 R1018 A7 R1019 A7 R1020 A7 R1021 A6 R1022 B7 R1023 B7 R1024 B7 R1026 C6 R1027 C7 R1028 C7 R1029 C8 R1030 C8 R1031 A8 R1032 B8 R1033 B8 R1034 A8 R1036 A7 R1037 A8 R1038 A7 R1039 A8 R1040 A8 R...

Страница 44: ...A E4 IC307 B E4 IC308 A F3 IC308 B E3 IC1009 D4 IC3001 D2 IC3002 A D3 IC3002 B D3 JK303 E1 JK304 A D1 JK304 B D1 JK304 C E1 L301 F1 L302 F1 L1009 D4 Q301 F2 Q302 F2 Q303 E2 Q304 E2 Q305 E2 Q306 E2 Q307 F2 Q3001 E1 R301 F1 R302 F1 R303 F1 R304 F1 R305 F2 R306 F2 R307 F2 R308 E2 R309 F2 R310 F2 R311 F2 R312 F2 R313 F2 R314 F2 R315 F3 R316 E2 R317 F3 R318 F3 R319 F3 R320 F3 R321 F3 R322 F3 R323 E1 R3...

Страница 45: ...7 C586 E7 C587 F7 C588 E7 C589 E7 C590 F7 C591 E7 C592 F7 C593 F7 C594 E7 C595 E7 C596 F7 C598 F7 C599 E8 C1132 D5 C1133 D5 C2208 F7 C4001 F6 C4002 F6 C4003 F6 C4004 F6 C4005 F5 C4006 F5 C4007 F5 C4008 F5 C5011 F7 C5012 F7 C5031 E7 C5032 E7 C5033 E7 C5034 E7 C5035 D7 C5036 D7 C5037 D7 C5038 D7 C5039 E7 C5040 E7 C5041 D7 C5042 E7 CN501 D8 CN502 E8 CN503 E8 D401 D5 D402 D5 IC401 D6 IC501 D7 IC502 E7...

Страница 46: ...8 14 8 14 PCB LAYOUT COMPONENT VIEW 1 2 3 4 5 6 1 2 3 4 5 6 A B C D A B C D ...

Страница 47: ... C5 R1031 C4 R1032 D4 R1033 D4 R1034 C4 R1036 D4 R1037 D4 R1039 D4 R1040 D4 R1041 D6 R1042 D6 R1043 D6 R1044 D6 R1045 D6 R1046 D6 R1047 D6 R1048 D6 R1049 D6 R1051 D6 R1052 D6 R1053 D6 R1054 C5 R1060 B5 R1061 C5 R1062 B5 R1063 B3 R1065 B3 R1066 C5 R1067 B5 R1068 B5 R1069 B5 R1073 C4 R1074 C5 R1075 C5 R1077 C5 R1078 C5 R1079 C5 R1080 C5 R1081 C5 R1082 C5 R1083 C5 R1084 C5 R1085 B5 R1086 B5 R1087 B5 ...

Страница 48: ...C1084 C3 C1086 D2 C1100 C1 C1102 D1 C1104 D1 C1106 D6 C1107 B2 C1110 B2 C1112 B2 C1131 B2 C1133 B2 C1135 B2 C3001 B6 C3002 B6 C3003 B6 C3004 B6 C3006 B6 C3008 B6 C3031 C6 C3034 C6 C3041 B5 C4003 C5 C4004 B5 C5031 C5 C5032 C5 C5033 C6 C5034 C6 C5035 C4 C5036 C4 C5037 C4 C5038 C4 C5039 C5 C5040 C5 C5041 C5 C5042 C5 C9011 C3 C9014 D3 C9016 D3 C9021 D3 C9032 B3 C9037 B3 C9040 B3 IC101 B5 IC151 A4 IC40...

Страница 49: ...8 17 8 17 PCB LAYOUT COPPERSIDE VIEW 1 2 3 4 5 6 1 2 3 4 5 6 A B C D A B C D ...

Страница 50: ...965 000 16692 20µH D0 5MM 4PIN RA1002 9965 000 12486 RES ARRAY 4 33 Ω 1 10W 5 L516 9965 000 16692 20µH D0 5MM 4PIN RA1003 9965 000 12486 RES ARRAY 4 33 Ω 1 10W 5 RA1004 9965 000 12486 RES ARRAY 4 33 Ω 1 10W 5 L517 9965 000 16692 20µH D0 5MM 4PIN RA1005 9965 000 12486 RES ARRAY 4 33 Ω 1 10W 5 L518 9965 000 16692 20µH D0 5MM 4PIN ELECTRICAL PARTSLIST MAIN BOARD COILS FILTERS DIODES L1003 9965 000 15...

Страница 51: ...2 130 41198 2SC945P Q302 4822 130 43818 2SC2878 A Q303 4822 130 43818 2SC2878 A Q304 4822 130 43818 2SC2878 A Q305 4822 130 63876 2SA733R 37 Q306 4822 130 41198 2SC945P Q307 4822 130 43818 2SC2878 A Q401 4822 130 41651 2SC2001L Q1001 4822 130 41651 2SC2001L Q1002 4822 130 41198 2SC945P Q1003 4822 130 41198 2SC945P Q1004 4822 130 41198 2SC945P Q3001 4822 130 43818 2SC2878 A Note Only these parts me...

Страница 52: ...8 20 ...

Страница 53: ... HALF FREQ CONTROLLED TURN ON GATE DRIVER CURRENT LIMIT COMPARATOR INTERNAL UV COMPARATOR INTERNAL SUPPLY 5 8 V 4 8 V SOURCE S S R Q D MAX STOP SOFT START CONTROL C LINE SENSE L EXTERNAL CURRENT LIMIT X FREQUENCY F 5 8 V 1 V IFB R E Z C V C LEADING EDGE BLANKING 8 1 HYSTERETIC THERMAL SHUTDOWN SHUNT REGULATOR ERROR AMPLIFIER DRAIN D ON OFF SOFT START DC MAX V BG DC MAX V BG V T 0 OV UV VI LIMIT CU...

Страница 54: ...65 A5 C966 A5 C967 A5 C968 A3 C969 B4 C970 A6 C971 B6 CN901 A C1 CN901 B C2 CN902 B2 D901 B4 D902 B4 D903 C3 D904 C4 D905 A5 D906 B5 D907 A5 D908 B5 D909 A5 D910 B5 F901 A2 IC903 B4 IC904 C5 L901 A6 L902 B6 L903 A6 Q903 B5 Q904 A6 Q910 C3 Q912 D3 Q913 C4 R901 A3 R902 B3 R903 A4 R904 B4 R905 A4 R906 A4 R907 B4 R908 B4 R919 B5 R920 B5 R921 B5 R922 B5 R923 B5 R924 C5 R925 C5 R927 B5 R928 B6 R931 A5 R...

Страница 55: ...2 A1 CN903 C1 CN904 B2 D901 A2 D902 B3 D903 D2 D904 D1 D905 A4 D906 B3 D907 C3 D908 B4 D909 D3 D910 C3 F901 A1 IC903 B2 IC904 D3 JMP1 D4 JMP2 B3 JMP3 A4 JMP4 D2 JMP5 D3 JMP6 A4 K901 B1 L901 A4 L902 C4 L903 C4 P2 A3 P901 C1 P902 C1 Q903 C3 Q904 D4 Q910 D3 Q912 D3 Q913 D3 R901 A2 R902 B2 R903 B2 R904 B2 R905 A2 R906 A2 R907 C3 R908 C3 R919 C3 R920 D3 R921 C3 R922 C3 R923 C3 R924 C3 R925 C3 R927 C3 R...

Страница 56: ...50 PWR TRANS 230V 22S 25S IC904 9965 000 17387 IC TL431 T902 9965 000 19196 PWR TRANS 120V 37 Q903 9965 000 17396 PN2222A FAIRCHILD Q904 9965 000 17397 XISTR NPN TIP120 T903 9965 000 18343 PWR TRANS 21S 21R 37 Q910 9965 000 16497 2N7000TA 60V 0 2A T903 9965 000 17392 PWR TRANS 22S 25S Q912 9965 000 16497 2N7000TA 60V 0 2A Q913 4822 130 41651 2SC2001L CAPACITORS C907 9965 000 18042 COND DISC 0 01µF...

Страница 57: ... 13 36 35 14 15 16 17 42 41 18 19 33 34 32 29 30 31 28 27 26 39 37 38 25 24 23 21 22 47 43 44 45 46 48 49 50 20 23 21 22 47 48 20 23 21 22 47 48 20 23 21 22 47 48 LX3700 37S ONLY LX3700 21S ONLY LX3700 22S ONLY LX3700 25S ONLY EXPLODED DRAWING ...

Страница 58: ...LX3750W 22S 25S 22 9965 000 18013 BACK PANEL 22S 25S 9965 000 18372 BACK PANEL LX3750W 37 9965 000 18373 BACK PANEL LX3700D 21R 9965 000 18374 BACK PANEL LX3700D 21S 23 9965 000 12443 AC SLOT 21S 21R 22S 25S Note Only these parts mentioned in the list are 24 9965 000 18000 FAN GM1206PFV3 A normal service parts 25 9965 000 18001 FAN PROTECTIVE WALL 27 9965 000 17989 TOP CABINET LX3700D 22S 25S 9965...

Страница 59: ...10 3 ...

Страница 60: ...troduction 11 1 Mechanical instructions Mech Partslist 11 1 Service hints 11 2 Blockdiagrams 11 4 Wiring 11 6 Electrical Diagrams 11 7 Circuit Descriptions 11 21 Spare Partslist 11 26 WIRELESS SURROUND LOUDSPEAKER BOXES 11 ...

Страница 61: ...sen 4 screws at bottom side Remove antenna Now the top cover can be removed The receiver board can be removed after loosening of one screw and connection cable 8004Rx The amplifier board is fixed with 2 screws one on board one on connector 1100 The screw which fits connector 1100 is behind the cable cover After removing cables 8002Rx 8003Rx and 8004Rx the board can be taken out The SMPowerSupply b...

Страница 62: ... F713 4 1V 0 3V Functional check picture receiver test circuit RF input signal modulation 50 kHz via adaptation network RF carrier frequency Input signal channel switch select Output signal Voltmeter version F748 863 3 MHz 1 mV rms channel 1 F728 LF output for EUR and UK version F748 914 1 MHz 1 mV rms channel 1 F728 LF output for USA version Alignment of the receiver EUR version RF input signal m...

Страница 63: ...2D 3 G 1 7 6 5 5 11 RECTI FIER R L L R 2 3 3 2 5 6 TO TV CONNECTION TO1103 7 8 8V 5V PD 7119 6105 7118 4 I2C CLOCK POWER DOWN DETECTOR I2C DATA 7117 LD1117DT 11V_S F124 F140 F141 F145 F144 F131 F149 F147 F113 F110 F114 F130 F126 7 7110 74HC4060 OSCILLATOR ENABLE Low 256 512 PRE EMPHASIS COMPANDER STEREO ENCODER PLL MULTIPLEXED 2165 3160 3190 2166 3161 3191 PRE EMPHASIS 9 3 13 12 VPIL 3 5 6 2 1 16 ...

Страница 64: ...REO DECODER AMPLIFIER 4 POSITIONS F727 1790 1 2 3 5 6 7 4 V V AUDIO OUTPUT AMPLIFIER W 1106 R R L L 10V MUTE 3117 7110 MUTE WIRED POWERSAFE 1 2 3 5 1 1109 WIRED AUDIO IN 3 5MM stereo jack 3 2 GREEN RED 6109 5 F135 6 7 4 7100 D 7100 A 7101 TDA8920 7104 MUTE CONTROL ON LED DRIVER STANDBY LED DRIVER 3126 8 Ohm 50W 8 Ohm 50W sensitivity 1 4Vrms sensitivity 2 5Vrms active high active high 3144 10V 4 3 ...

Страница 65: ...W LS output 1101 Receiver board 1 7 Wired Audio in option 1790 1 7 1106 1 4 1104 1 3 1107 1 3 1109 1 4 1100 AC DC Switch Mode Power Supply 1 4 1 3 R out L out Wiring Diagram Wireless Transmitter Receiver AD905W CL36532008_092 eps 220403 8001 TX 1 3 J1 J3 J2 8002 TX 8003 TX 8001 RX 8002 RX 8003 RX 8004 RX Amplifier board 1 6 Wiring Diagram ...

Страница 66: ... 5120 G1 8 6130 M 11 6140 M 15 6141 C11 6142 D11 6143 F11 6144 G11 F004 F006 50V 1u0 2111 4124 2133 220n 3118 22K 4123 4129 1K0 3134 7100 L4931CDT120 GND IN OUT 100n 2145 3 1 390K 3152 2164 5100 4 6 470R 470R 3104 1 3 2 3105 2 3 4 5 6 7 8 BAT54S 6142 EH B 1120 1 F018 F017 3112 100K 3102 470R 2104 100n 27K 3125 100n 2101 3130 3 2 1 8 4 10K 3126 27K NJM4560M 7101 A 3151 1K0 2130 22n 2114 15p 6130 BA...

Страница 67: ...11 7 11 7 CL36532008_094 eps 220403 CL36532008_095 eps 220403 Layout Wireless Interface Board Top Side Layout Wireless Interface Board Bottom Side ...

Страница 68: ...0 3103 5105 12n F140 2128 2p2 3125 68K 5116 8n2 PLVA2656A 6101 2190 3p9 7105 BFG520 8 F117 1101 EH B 1 2 3 4 5 6 7 5132 BLM21 BC847B 7121 AERIAL BRACKET 0002 100K 3142 2174 47p F119 2170 470p 16V 100u 2180 15K 3175 220p 2177 100R 3123 3113 6K8 4n7 2145 100n 2179 5127 BLM21 2205 47p 2141 470p 100n 2182 47p 2123 18K 3151 5p6 2111 3112 100K 22n 2165 22n 2160 2p2 2131 18K 3152 16V 10u 2171 47K 3147 12...

Страница 69: ...Layout Wireless Transmitter Board Top Side 11 9 11 9 CL36532008_097 eps 280403 ...

Страница 70: ...11 10 11 10 Layout Wireless Transmitter Board Bottom Side CL36532008_098 eps 280403 ...

Страница 71: ...9 G 10 1750 B1 1799 F1 F704 56n 5605 5n0 5607 2p7 2616 10n 2608 33p 2601 F749 F710 F704 F703 4 8 2 1 3 6 5 7 864M B3589 1602 15K 3608 7603 BFR92A 5608 2K2 3618 4K7 3616 7606 BC847B 5612 6n8 5610 F749 5613 3n3 2p7 2619 5K6 3606 6601 BB151 4p7 2613 3607 5611 220n 2626 39p 2630 2642 220n 5601 2p7 2651 8n2 5614 1n0 2611 1p8 2622 F703 F710 BC847B 7604 F748 13 RFA 14 RFB 6 SCL 5 SDA 12 VCC 2 XTAL 3 XT C...

Страница 72: ...SKR 3 8 11 2703 18n 3727 330R 2702 18n 3790 4K7 4K7 3784 2709 1n5 3712 10K 3713 2K2 SFELA 10M7 7707 BFS20 1707 3710 470R 3707 330R 18K 3781 2706 22n 2713 47n 470p 2710 FXM2 1 2 3 7 8 4 5 6 1740 3728 330R 7706 3794 1u 2725 BC857B 3708 47R F707 F712 2770 4u7 2722 10u 16V 3722 47K 2712 47n 3715 6K8 10u 2777 2u2 50V 16V 2720 3731 2740 220p 1K5 3729 5K6 F705 100K 3793 F709 F747 3724 3720 3K3 3795 3K9 3...

Страница 73: ...11 13 11 13 Layout Wireless Receiver Board Top Side CL36532008_101 eps 280403 ...

Страница 74: ...11 14 11 14 Layout Wireless Receiver Board Bottom Side CL36532008_102 eps 280403 ...

Страница 75: ...C15 6102 330p 2145 2146 330p 3141 22K 5 1 4 3 6 SSSS9 1101 2 3125 470n 2129 47K 2141 220n GND_OUT 2140 47u 35V 5106 5107 5100 5102 470n 2144 2166 1111 HOLE 3 5MM 1n0 35V 47u 2102 HOLE 3 5MM 1110 3131 4K7 5R6 3115 470n GND_OUT 2110 3114 5R6 56K 3126 2128 15n 2123 220n 3133 47K 33K 3128 10K 3142 7108 BC847B 3117 56K 47p 2143 4103 47K 10K 3130 3134 BC847B 560p 2108 7106 1n0 2119 3140 2K2 1K0 3116 1 4...

Страница 76: ...11 16 11 16 Layout Wireless Audio Amplifier Board Top Side CL26532008_104 eps 220403 ...

Страница 77: ...11 17 11 17 Layout Wireless Audio Amplifier Board Bottom Side CL26532008_105 eps 220403 ...

Страница 78: ...A D5 L2B D5 L3A D6 L3B D6 L5 D1 L6 B1 PC1A B5 PC1B C2 Q1 B4 Q2 D2 Q3 A5 Q4 B5 Q7 B4 Q8 C3 Q10 C1 Q11 B4 R1 D4 R2 D4 R3 B6 R6 B4 R7 A6 R8 C5 R9 C5 R10 D4 R12 B5 R13 B5 R14 B5 R15 D2 R16 B6 R17 A5 R18 C4 R19 B5 R21 B6 R22 C1 R23 C2 R24 D2 R25 D4 R26 C5 R27 B5 R28 C2 R29 B5 R30 B5 R31 C2 R32 B6 R33 B4 R34 A6 R35 B5 R36 D2 R38 C5 R39 C1 R40 B4 R41 C4 R43 D4 R44 C1 R45 D1 R46 B6 R47 C4 R49 B6 R50 D4 R5...

Страница 79: ... D21 C5 D23 D6 D24 D2 D25 C3 D26 B4 D27 B4 D28 B5 FER6 C3 FER8 C3 J3 C1 L4 D1 PC2A B4 PC2B C2 Q5 D5 Q6 D2 Q9 B3 Q12 B3 R4 D1 R5 C5 R20 B3 R37 D5 R42 D4 R48 D3 R56 C1 R90 B3 R91 B4 R92 B5 R93 B5 R94 D3 R95 D3 R96 C3 R97 B4 R98 B4 R99 C3 R100 B5 R101 C3 R102 B4 R103 C3 R104 B4 R105 C2 R108 D2 R109 C2 R110 D2 R111 D2 R112 C2 R113 C2 R114 B4 SW1A C1 T2A D3 T2B B5 Z4 B5 Z11 C1 Z12 B4 Z13 D2 ...

Страница 80: ... R54 B4 R55 C3 R56 C2 R57 B3 R58 B3 R59 C4 R60 A5 R61 C4 R62 B5 R63 B5 R64 B5 R65 B3 R66 C4 R67 C5 R68 B2 R69 A4 R70 C5 R71 C5 R72 C5 R73 C5 R74 C2 R75 C3 R76 C3 R77 A5 R78 A5 R79 C4 R82 C4 R83 C4 R90 B2 R91 B1 R92 C2 R93 C1 R94 B2 R95 B2 R96 B2 R97 B1 R98 B1 R99 B2 R100 C1 R101 B2 R102 B1 R103 B2 R104 C1 R105 C1 R108 C1 R109 C1 R110 C1 R111 C2 R112 C1 R113 C1 R114 B1 C1 A2 C2 C4 C3 C5 C6 A4 C7 A4...

Страница 81: ... a level of nominal 0 42 Vrms on pin 1 and 3 of 1120 This 0 42 Vrms gives 50Khz FM deviation in the transmitter Extra protection is established by the fast diodes 6142 and 6144 DC reference is made by 3115 3116 and 2116 A 23Khz notch filter 5115 5120 is built in to avoid interfer ences with the used pilot frequency of the transmitter Audio detector A part of the audio info is fed to the audio dete...

Страница 82: ...nput Vin rises with e g 4 times then the output can rise only 2 times This is because the feedback resistor formed by the gain cell is decreased with a factor of 2 Remember for an opamp Vout Vin Rf R1 R1 where R1 is constant Rf R2 internal gain cell res The preemphasis stereo coding and output filtering The 2 channels available from the compander are now having pre emphasis with a time constant of...

Страница 83: ...ossibly the division ratio is chosen outside the normal range or some freq dependant component around the transistor is faulty Antenna input The antenna input is tuned for a 17 cm telescopic antenna The input is ESD protected by diode 6602 The SAW filter 1602 protects the receiver for out of band interference Figure 1 17 Block diagram receiver Figure 1 16 Stereocoder Figure 1 20 Antenna circuit Fi...

Страница 84: ...equired version of 864 914 MHz and 433 MHz The main functions of the uP are reading the setting of the 4 position slide switch within every 250 milliseconds and read the Tuned info continuously and start the powersave mode if necessary Figure 1 21 Mixer circuit Figure 1 22 IF amp circuit Figure 1 24 Receiver backend circuit Figure 1 25 Expander circuit Figure 1 23 Receiver backend circuit LNA and ...

Страница 85: ...AMPn signal Note that the mute line from the receiver is also high under this condi tion The amplifier is completely in standby mode the oscillator in amplifier IC 7101 stops and all internal references are disabled The led red will be on while green is off At the same moment transistor 7106 is not saturated anymore and the control line towards the switched mode power supply becomes high This swit...

Страница 86: ...8 016 31020 1nF 25V 0603 2108 4822 122 33761 22pF 5 50V 2109 4822 126 13881 470pF 5 50V 2110 2020 552 96684 470nF 10 25V 2111 2020 552 96384 5 6pF 25 50V 0603 2113 4822 126 13956 68pF 5 63V 0603 2114 2238 586 59812 100nF 20 80 50V 0603 2115 4822 126 13883 220pF 5 50V 2116 4822 122 33752 15pF 5 50V 2117 4822 122 33752 15pF 5 50V 2118 3198 016 31080 1pF 25 50V 0603 2121 4822 126 13883 220pF 5 50V 21...

Страница 87: ...20pF 5 50V 2740 4822 126 13883 220pF 5 50V 2750 2020 552 94427 100pF 5 50v 0603 2751 4822 126 13881 470pF 5 50V 2754 2020 021 91729 4 7µF 20 35V 2755 4822 124 12095 100µF 20 16V 2762 4822 126 11785 47pF 5 50V 0603 2764 2238 586 15628 2n7 10 50V 0603 2765 2238 586 15628 2n7 10 50V 0603 2770 2020 021 91729 4 7µF 20 35V 2771 2238 916 15641 22nF 10 25V 0603 2772 3198 030 82280 2 2µF 20 50V 2773 3198 0...

Страница 88: ...4822 126 14472 1µF 10 10V 0805 2145 4822 126 13193 4 7nF 10 63V 2146 4822 126 13193 4 7nF 10 63V 2147 4822 126 14472 1µF 10 10V 0805 2148 4822 126 14472 1µF 10 10V 0805 2149 4822 124 23002 10µF 20 16V 2150 4822 124 23002 10µF 20 16V 2151 4822 122 33761 22pF 5 50V 2152 4822 122 33761 22pF 5 50V 2153 4822 124 23002 10µF 20 16V 2154 4822 124 23002 10µF 20 16V 2155 4822 126 14506 270pF 5 50V 0603 2156...

Страница 89: ...1 0603 0 62W 3756 4822 117 13632 100k 1 0603 0 62W 3766 4822 117 12968 820 5 0 62W 3771 4822 051 30103 10k 5 0 062W 3772 4822 051 30332 3 3k 5 0 062W 3775 4822 051 30103 10k 5 0 062W 3776 4822 051 30332 3 3k 5 0 062W 3778 4822 051 30102 1k 5 0 062W 3779 4822 051 30102 1k 5 0 062W 3780 4822 051 30222 2 2k 5 0 062W 3781 4822 051 30183 18k 5 0 062W 3782 4822 117 12925 47k 1 0 063W 0603 3783 4822 117 ...

Страница 90: ...2W 3155 4822 051 30222 2 2k 5 0 062W 3156 4822 051 30103 10k 5 0 062W 3157 4822 051 30103 10k 5 0 062W 3158 4822 051 30222 2 2k 5 0 062W 4100 4822 051 30008 Jumper 0603 4101 4822 051 30008 Jumper 0603 4102 4822 051 30008 Jumper 0603 4103 4822 051 30008 Jumper 0603 4104 4822 051 20008 Jumper 0805 4105 4822 051 20008 Jumper 0805 4106 4822 051 20008 Jumper 0805 4107 4822 051 20008 Jumper 0805 4108 48...

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